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United States Patent | 5,173,106 |
Kamuro ,   et al. | December 22, 1992 |
A composition for inhibiting flowering of plants and a composition for prolonging the duration of flowering are disclosed. The compositions of the present invention comprise S-(+)-abscisic acid as an effective ingredient.
Inventors: | Kamuro; Yasuo (2-15-16, Hanaike, Ichinomiya-shi, Aichi, 491, JP); Marumo; Shingo (3-403, Honjigahara Jutaku, 100-8, Midorigaoka, Midori-cho, Owariasahi-shi, Aichi, 488, JP) |
Appl. No.: | 719244 |
Filed: | June 24, 1991 |
Jun 26, 1990[JP] | 2-167588 |
Current U.S. Class: | 504/320 |
Intern'l Class: | A01N 035/06; A01N 037/06 |
Field of Search: | 71/113 |
Foreign Patent Documents | |||
1103000 | Feb., 1968 | GB. |
CA Index Guide, 1985, p. 6G. Schwabe CA76:136,792m. "Flower Inhibition . . . " (Planta 103: 18-23. 1972). 1972 p. 141. Kinet et al., CA 84:55,202g. "Inhibition of Flowering by Abscisic Acid . . . " (Z. Pflanzenphysicol. 77:70-74. 1975). 1976 p. 162. Margara CA 87:63, 991 r. "Effects of Growth Regulators . . . " (C. R. Hebol Search Acad. Sci., Ser D. 284:1991-4. 1977) 1977, p. 182. Morgan CA 96:29,861z. "Factors affecting fruit . . . " (Monogr. Br. Plant Growth Regul. Group. 1981) 1982 p. 190. Chem. Abstracts., vol. 104, No. 23, Jun. 9, 1986, p. 451 Abstract No. 203980h, Columbus, Ohio, US. Chem. Abstracts, vol. 79, No. 15, Oct. 15, 1973, p. 95 Abstract No. 88210h, Columbus, Ohio, US. Chem. Abstracts, vol. 79, No. 1, Jul. 9, 1973, p. 124, Abstract No. 1257g, Columbus, Ohio, US. Chem. Abstracts, vol. 73, No. 25, Dec. 21, 1970, p. 278 Abstract No. 129886e, Columbus, Ohio, US. Biological Abstracts, vol. 73, No. 10, 1982, Abstract No. 71627, Philadelphia, PA, US. Biological Abstracts, vol. 72, No. 3, 1981, Abstract No. 19916, Philadelphia, PA, US. Biological Abstracts, vol. 62, No. 10, 1976, Abstract No. 57406, Philadelphia, PA, US. Agricultural & Biological Chemistry, vol. 54, No. 12, Dec. 1990, pp. 3363-3365, Tokyo, JP. |
TABLE 1 __________________________________________________________________________ Effective Ingredient Method of Concentration Average Number of in Liquid Treatment (ppm) Flower Buds/plant __________________________________________________________________________ Control None Drench 0 2.6 Spray 0 2.8 Example 5 S (+) - Drench 1 0.8 5 0 25 0 Abscisic Acid Spray 30 1.2 125 0 500 0 Comparative Synthetic Racemic Drench 1 2.2 Example 1 5 1.6 25 0.8 Abscisic Acid Spray 30 1.8 125 1.4 500 1.2 __________________________________________________________________________
TABLE 2 __________________________________________________________________________ Test Plant Repetition of Treatments State of Growth (Flower Buds Formation) __________________________________________________________________________ Comparative Radish 0 Flowering Started Example 2 Perilla 0 Flowering Started Example 6 Radish 2 Buds Initiated But Not Flowered 4 No Differentiation of Buds Observed 6 No Differentiation of Buds Observed Perilla 2 Buds Were Observed But Not Initiated 4 No Differentiation of Buds Observed 6 No Differentiation of Buds Observed __________________________________________________________________________
TABLE 3 ______________________________________ Method of Initiation of Termination Treatment Flowering Full Bloom of Flowering ______________________________________ Example 7 Spray 3 5 7 Injection 4 10 15 ______________________________________